I really have 0 intentions of having a stock exhaust. But there aren't any blocking plates in the egr and the sensors are plugged in. But i can unplug the sensors and the truck still operates the same without throwing any CEL. But if you want I can post engine bay picsI see your point, but why go thru the hassle. Unless he has zero interest in a deleted truck, then I could see it being worthwhile.
Sounds like the OP ha dirty tunes. A few revisions, or a different tuner would clear his issues up I’m guessing.
I’d like to see a pic of the engine bay to see what all’s been done. If the egr is still there and hasn’t been unplugged, or doesn’t have blocker plates, the valve will/can blow open and it’ll smoke like a freight train.
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